HI,
What pops out is the " handle_client_mkdir()"... Does this mean the MDS
crashed when a client was creating a new dir or snapshot? Any idea about
the steps?
Thank you,
Bogdan Velica
croit.io
On Tue, Aug 20, 2024 at 7:47 PM Tarrago, Eli (RIS-BCT) <
Eli.Tarrago@xxxxxxxxxxxxxxxxxx> wrote:
> Here is the backtrace from a ceph crash
>
> ceph crash info
> '2024-08-20T16:07:39.319197Z_8bcdf3df-f9b5-451a-b971-16f8190ab351'
> {
> "assert_condition": "!p",
> "assert_file": "/build/ceph-18.2.4/src/mds/MDCache.cc",
> "assert_func": "void MDCache::add_inode(CInode*)",
> "assert_line": 251,
> "assert_msg": "/build/ceph-18.2.4/src/mds/MDCache.cc: In function
> 'void MDCache::add_inode(CInode*)' thread 7f0551248700 time
> 2024-08-20T12:07:39.313490-0400\n/build/ceph-18.2.4/src/mds/MDCache.cc:
> 251: FAILED ceph_assert(!p)\n",
> "assert_thread_name": "ms_dispatch",
> "backtrace": [
> "/lib/x86_64-linux-gnu/libpthread.so.0(+0x14420) [0x7f055736a420]",
> "gsignal()",
> "abort()",
> "(ceph::__ceph_assert_fail(char const*, char const*, int, char
> const*)+0x182) [0x7f05576e12c9]",
> "/usr/lib/ceph/libceph-common.so.2(+0x32d42b) [0x7f05576e142b]",
> "(MDCache::add_inode(CInode*)+0x348) [0x55f4f007b7e8]",
> "(Server::prepare_new_inode(boost::intrusive_ptr<MDRequestImpl>&,
> CDir*, inodeno_t, unsigned int, file_layout_t const*)+0x7b3)
> [0x55f4f00023a3]",
>
> "(Server::handle_client_mkdir(boost::intrusive_ptr<MDRequestImpl>&)+0x1cd)
> [0x55f4f000546d]",
> "(MDSContext::complete(int)+0x5f) [0x55f4f02b72cf]",
> "(void finish_contexts<std::vector<MDSContext*,
> std::allocator<MDSContext*> > >(ceph::common::CephContext*,
> std::vector<MDSContext*, std::allocator<MDSContext*> >&, int)+0x90)
> [0x55f4eff5c730]",
> "(MDSCacheObject::finish_waiting(unsigned long, int)+0x5c)
> [0x55f4f02c7dbc]",
> "(Locker::eval_gather(SimpleLock*, bool, bool*,
> std::vector<MDSContext*, std::allocator<MDSContext*> >*)+0x12dc)
> [0x55f4f016fe2c]",
> "(Locker::dispatch(boost::intrusive_ptr<Message const>
> const&)+0x16c) [0x55f4f0183b1c]",
> "(MDSRank::_dispatch(boost::intrusive_ptr<Message const> const&,
> bool)+0x5a6) [0x55f4eff6b1a6]",
> "(MDSRankDispatcher::ms_dispatch(boost::intrusive_ptr<Message
> const> const&)+0x5c) [0x55f4eff6b79c]",
> "(MDSDaemon::ms_dispatch2(boost::intrusive_ptr<Message>
> const&)+0x1bf) [0x55f4eff5530f]",
> "(Messenger::ms_deliver_dispatch(boost::intrusive_ptr<Message>
> const&)+0x468) [0x7f055795c448]",
> "(DispatchQueue::entry()+0x657) [0x7f05579599e7]",
> "(DispatchQueue::DispatchThread::entry()+0x11) [0x7f0557a20b11]",
> "/lib/x86_64-linux-gnu/libpthread.so.0(+0x8609) [0x7f055735e609]",
> "clone()"
> ],
> "ceph_version": "18.2.4",
> "crash_id":
> "2024-08-20T16:07:39.319197Z_8bcdf3df-f9b5-451a-b971-16f8190ab351",
> "entity_name": "mds.mds0202",
> "os_id": "ubuntu",
> "os_name": "Ubuntu",
> "os_version": "20.04.6 LTS (Focal Fossa)",
> "os_version_id": "20.04",
> "process_name": "ceph-mds",
> "stack_sig":
> "e51039f21ed17c3220d021c313d5af656ee59d9ccfb3e6d6f991bcf245dbf000",
> "timestamp": "2024-08-20T16:07:39.319197Z",
> "utsname_hostname": "mds02",
> "utsname_machine": "x86_64",
> "utsname_release": "5.4.0-190-generic",
> "utsname_sysname": "Linux",
> "utsname_version": "#210-Ubuntu SMP Fri Jul 5 17:03:38 UTC 2024"
> }
>
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